Greco-Italian War

The Greco-Italian War (Italo-Greek War, Italian Campaign in Greece; in Greece: War of '40 and Epic of '40) took place between the kingdoms of Italy and Greece from 28 October 1940 to 23 April 1941. This local war began the Balkans Campaign of World War II between the Axis powers and the Allies. It turned into the Battle of Greece when British and German ground forces intervened early in 1941.

BATTLE
In the mid-1930s, the Italian Prime Minister Benito Mussolini began an aggressive foreign policy and annexed Albania in the spring of 1939. World War II began on 1 September 1939 and on 10 June 1940, Italy declared war on the Allies. By September 1940,Italians had invaded France, British Somaliland and Egypt; preparations had also begun to occupy Greece.In the late 1930s, the Greeks had begun to build the “Metaxas Line” opposite Bulgaria and from 1939 accelerated their defensive preparations against an Italian attack from Albania. In 1940, there was a hostile press campaign in Italy and other provocations, culminating in the sinking of the Greek light cruiser Elli by the Italians on 15 August (the Christian Dormition of the Mother of God festival). On 28 October, Mussolini issued an ultimatum to Greece demanding the cession of Greek territory, which the Prime Minister of Greece, Ioannis Metaxas, rejected.

The Italian army invaded Greece on 28 October, before the Italian ultimatum had expired. The invasion was a disaster, the 140,000 troops of the Italian Army in Albania encountering an entrenched and determined enemy. The Italians had to contend with the mountainous terrain on the Albanian–Greek border and unexpectedly tenacious resistance by the Greek Army.

By mid-November, the Greeks had stopped the Italian invasion just inside Greek territory. After completing their mobilization, the Greeks counter-attacked with the bulk of their army and pushed the Italians back into Albania – an advance which culminated in the Capture of Klisura Pass in January 1941, a few dozen kilometers inside the Albanian border. The defeat of the Italian invasion and the Greek counter-offensive of 1940 have been called the "first Axis setback of the entire war" by Mark Mazower, the Greeks "surprising everyone with the tenacity of their resistance". The front stabilized in February 1941, by which time the Italians had reinforced the Albanian front to 28 divisions against the Greeks' 14 divisions (though Greek divisions were larger). In March, the Italians conducted the unsuccessful Spring Offensive. At this point, losses were mutually costly, but the Greeks had far less ability than the Italians to replenish their losses in both men and materiel, and they were dangerously low on ammunition and other supplies. They also lacked the ability to rotate out their men and equipment, unlike the Italians.Requests by the Greeks to the British for material aid only partly alleviated the situation, and by April 1941 the Greek Army only possessed 1 more month's worth of heavy artillery ammunition and was unable to properly equip and mobilize the bulk of its 200,000–300,000 strong reserves.

While originally content to simply let the Italians wear the Greeks down and (he predicted) finish the war in the summer of 1941, Adolf Hitler decided in December 1940 that potential British intervention in the conflict represented a threat to Germany's rear. This caused him to come to the aid of his Axis ally. German build-up in the Balkans accelerated after Bulgaria joined the Axis on 1 March 1941. British ground forces began arriving in Greece the next day. On 6 April, the Germans invaded northern Greece (“Operation Marita”).The Greeks had deployed the vast majority of their men into a mutually costly stalemate with the Italians on the Albanian front, leaving the fortified Metaxas Line with only a third of its authorized strength.During the Battle of Greece, Greek and British forces in northern Greece were overwhelmed and the Germans advanced rapidly west and south. In Albania, the Greek army made a belated withdrawal to avoid being cut off by the Germans but was followed up slowly by the Italians. Greece surrendered to German troops on 20 April 1941, under the condition that they would not have to surrender to the Italians; this condition was agreed to but revoked several days later after protests from Mussolini, and the Greek army surrendered to Italy as well. Greece was subsequently occupied by Bulgarian, German and Italian troops. The Italian army suffered 102,064 combat casualties (with 13,700 dead and 3,900 missing) and fifty thousand sick; the Greeks suffered over 90,000 combat casualties (including 14,000 killed and 5,000 missing) and an unknown number of sick.The economic and military failings of the Italian fascist regime were exposed by the Greek debacle and simultaneous defeats against the British in North Africa, which reduced the Italian fascist regime to dependence on Germany.